happened a lot during the last ice age due cold temperatures slowing down decay

Preserved remains of once-living organisms

It states that older fossils are found in the deeper layers of the Earth and younger fossils are in the top layer of the Earth.

Takes the same shape of the plant or animal. The space is sometimes filled with mud. The mud hardens and turns into rock

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Fossils

Term	Definition
Amber	hardened tree sap
Fossils in Asphalt	from tar pits
Frozen	happened a lot during the last ice age due cold temperatures slowing down decay
Fossil	Preserved remains of once-living organisms
Law of Superposition	It states that older fossils are found in the deeper layers of the Earth and younger fossils are in the top layer of the Earth.
Cast	Takes the same shape of the plant or animal. The space is sometimes filled with mud. The mud hardens and turns into rock